Home / 55,159,849.21-76,117,603.44-30,375,190.57

Finding the Fourth Proportional to 55,159,849.21, 76,117,603.44 and 30,375,190.57

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Solution

The fourth proportional to 55,159,849.21, 76,117,603.44 and 30,375,190.57 is: 41,916,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159,849.21 : 76,117,603.44 = 30,375,190.57 : x
  2. Step 2: Convert to fraction form
    55,159,849.21/76,117,603.44 = 30,375,190.57/x
  3. Step 3: Cross multiply
    55,159,849.21x = 76,117,603.44 × 30,375,190.57
  4. Step 4: Simplify right side
    55,159,849.21x = 2,312,086,710,117,160.50
  5. Step 5: Solve for x
    x = 2,312,086,710,117,160.50/55,159,849.21
  6. Step 6: Final answer
    x = 41,916,117.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.